Drill chuck



FIG. 1 is a top, front and right-side perspective view of a drill chuck showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design of a drill chuck, as shown. 